Black Screen or stuff on a single frame all the time and not sure how to fix

[Cactus]

I'm not sure if theres an easy fix for this but i havent really used obs much in the past and on my laptop it worked well but now that ive swithced toa new pc its been causing problems all the time until at one point it just stopped working, at least for game captures

Can anyone help me out?
Should i have checked/done something before asking here?

ty